Aptitude - Problems on Trains - Discussion
Discussion Forum : Problems on Trains - General Questions (Q.No. 3)
3.
The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is:
Answer: Option
Explanation:
| Speed = |  |
45 x | 5 |  m/sec |
= | |
25 | m/sec. |
| 18 | 2 |
Time = 30 sec.
Let the length of bridge be x metres.
| Then, | 130 + x | = | 25 |
| 30 | 2 |
2(130 + x) = 750
x = 245 m.
Video Explanation: https://youtu.be/M_d8WufJWKc
Discussion:
245 comments Page 23 of 25.
Tejashwini s said:
8 years ago
Good explanation @Anil Bhadani.
Navin said:
6 years ago
How 25/2 came? Explain, please.
Uvitha said:
2 decades ago
Can you explain me in detail ?
Mahi said:
9 years ago
But here, how do you get 5/18?
Mahamud said:
5 years ago
Can you explain, How come25/2?
Kavya said:
9 years ago
Why are you using '130 + x' ?
Thameem ansari said:
8 years ago
45*5/18=75/6*30=375-130=245m.
DURAI said:
5 years ago
Well said, thanks @Coolburn.
(1)
Sowmiya said:
8 years ago
Nice explanation @Coolburn.
Karthik said:
2 decades ago
Yes fathima you are write.
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